Hi,
I've successfully compiled Lustre after the
'LU-12457 kernel: RHEL 7.7 server support' change
but when I try to create an MGS with LDISKFS backend
on RHEL 7.7 I get CPU soft lockup:
kernel:NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s!
[mkfs.lustre:31220]
Looked into logs for more details:
Sep 6 10:41:00 mgs1 kernel: Call Trace:
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9bd73365>]
queued_spin_lock_slowpath+0xb/0xf
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9bd81ad0>] _raw_spin_lock+0x20/0x30
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b865e2e>] igrab+0x1e/0x60
Sep 6 10:41:00 mgs1 kernel: [<ffffffffc06bd88b>]
ldiskfs_quota_off+0x3b/0x130 [ldiskfs]
Sep 6 10:41:00 mgs1 kernel: [<ffffffffc06c091d>]
ldiskfs_put_super+0x4d/0x400 [ldiskfs]
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b84b13d>]
generic_shutdown_super+0x6d/0x100
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b84b5b7>] kill_block_super+0x27/0x70
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b84b91e>]
deactivate_locked_super+0x4e/0x70
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b84c0a6>] deactivate_super+0x46/0x60
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b86abff>] cleanup_mnt+0x3f/0x80
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b86ac92>] __cleanup_mnt+0x12/0x20
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b6c1c0b>] task_work_run+0xbb/0xe0
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9b62cc65>] do_notify_resume+0xa5/0xc0
Sep 6 10:41:00 mgs1 kernel: [<ffffffff9bd8c23b>] int_signal+0x12/0x17
Sep 6 10:41:00 mgs1 kernel: Code: 47 fe ff ff 66 2e 0f 1f 84 00 00 00
00 00 0f 1f 44 00 00 55 48 89 e5 66 90 b9 01 00 00 00 8b 17 85 d2 74 0d
83 fa 03 74 08 f3 90 <8b> 17 85 d2 75 f3 89 d0 f0 0f b1 0f 39 c2 75 e3
5d 66 90 c3 0f
Has anyone else also experienced this issue?
Is there a way to make this work?
Thanks,
--
Tamás Kazinczy
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